10          20        30        40        50         
CAGAGGACCUUAACAGU--|   CCCA     U         CA    A     GAGAAU 
                   GUGA    UGGGC UCCCUUUGU  UCCU UGCCU      \
                   CACU    ACUCG AGGGAAACG  AGGG ACGGA      A
CCACAUAGGCCACGUCACC^   UAAG     U         AC    -     GAGGUC 
      110       100        90        80         70        60